Description : AIDS virus destroys (1) Lymphocytes (2) Monocytes (3) Neutrophils (4) Basophils
Last Answer : Lymphocytes
Description : Which pair of cells represents granulocytes? a. Basophils and lymphocytes b. Neutrophils and eosinophils c. Eosinophils and monocytes d. Lymphocytes and monocytes
Last Answer : b. Neutrophils and eosinophils
Description : Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils
Last Answer : Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils A. Only ... a) and (c ) D. (c ) and (d)
Description : Which one engulfs pathogens rapidly? (a) Acidophils (b) Monocytes (c) Basophils (d) Neutrophils
Last Answer : (d) Neutrophils
Description : Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin? (a) Eosinophils (b) Monocytes (c) Neutrophils (d) Basophils
Last Answer : d) Basophils
Description : Which of the following is NOT a granulocyte? a. Neutrophils b. Monocytes c. Eosinophils d. Basophils
Last Answer : b. Monocytes
Description : Large parasites such as helminthes may be killed extracellularly by the action of A- basophils B- monocytes C- eosinophils D- neutrophils
Last Answer : eosinophils
Description : The largest cells in mammalian blood are – (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes
Last Answer : (2) Monocytes Explanation: Various components of blood are: Plasma, Erythrocytes (Red Blood Cells), Leueocytes (White Blood Cells) and Thrombocyles/Platelets. Monocytes, also known as ... and cytoplasm is abundant. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here
Description : Which are the largest of the white blood cells? A. lymphocytes B. eosinophils C. basophils D. monocytes (Answer)
Last Answer : D. monocytes (Answer)
Description : The largest cells in mammalian blood are (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes
Last Answer : Monocytes
Description : Match the following columns and select the correct option. Column-I Column - II (A) Eosinophils (i) Immune response (B) Basophils (ii) Phagocytosis (C) Neutrophils (iii) Release histaminase, destructive enzymes (D) Lymphocytes (iv) ... (iii) (c) (i) (ii) (iv) (iii) (d) (ii) (i) (iii) (iv)
Last Answer : (a) (iii) (iv) (ii) (i)
Description : Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes ... blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.
Last Answer : a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens.
Description : The most active phagocytic white blood cells are (a) eosinophils and lymphocytes (b) neutrophils and monocytes (c) neutrophils and eosinophils (d) lymphocytes and macrophages.
Last Answer : (b) neutrophils and monocytes
Description : The cells that are directly concerned with phagocytosis of foreign bodies in the reticuloendothelial system are (a) reticular cells (b) monocytes (c) eosinophils and Basophils (d) macrophages
Last Answer : Ans:(b)
Description : Answer: b, c, d Eosinophils constitute 1% to 3% of the leukocyte population of the bloodstream. They also reside in tissues and they exhibit phagocytic capabilities. They are less ... the cycle of events that result in recruitment and activation of inflammatory cells at sites of inflammation
Last Answer : Cellular injury from oxidants may be manifest by which of the following? a. Cell membrane lipid peroxidation b. DNA strand breaks c. Cytoskeletal disassembly d. ATP depletion
Description : The odd one among the following is (a) Monocytes (b) Lymphocyte (c) Neutrophils (d) Erythrocytes
Last Answer : Ans:(d)
Description : What are the blood corpuscles that help to build up resistance against diseases? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes
Last Answer : (1) Leucocytes Explanation: White blood cells, or leukocytes, are cells of the immune system involved in defending the body against both infectious disease and foreign materials. Five different ... human body. Leukocytes are found throughout the body, including the blood and lymphatic system.
Description : The most prominent action of leukotriene B4 is: A. Vasodilatation B. Uterine contraction C. Platelet aggregation D. Chemotaxis of neutrophils and monocytes
Last Answer : D. Chemotaxis of neutrophils and monocytes
Description : What are the blood corpuscles that help to build up resistance against diseases ? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes
Last Answer : Leucocytes
Description : Cell-mediated immunity is the function of (A) B lymphocytes (B) T lymphocytes (C) Plasma cells (D) Basophils
Last Answer : Answer : B
Description : Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals
Last Answer : Ans: B
Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T - lymphocytes (d) When the viral DNA is produced by reverse transcriptase
Last Answer : (c) When HIV damages large number of helper T - lymphocytes
Description : The ratio of which two types of lymphocytes is an indication of the AIDS virus?
Last Answer : ANSWER: TH AND TS CELLS (Thelper and Tsuppressor is also acceptable)
Description : Which of the following cells or blood elements play a role in the initial phases of wound healing? a. Polymorphonuclear leukocytes (PMNs) b. Platelets c. Monocytes d. Lymphocytes
Last Answer : Answer: a, b, c, d Shortly after the initial injury, the wound is full of debris which is cleared over the next several days by recruited and activated phagocytic cells. ... in the initial hemostatic process as well as releasing chemotactic factors and factors leading to fibroblast proliferation
Description : Which of these components of the blood is responsible for clotting - (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets
Last Answer : (4) Platelets Explanation: Coagulation is the process by which blood forms clots. It is an important part of hemostasis, the cessation of blood loss from a damaged vessel, wherein a ... begins almost instantly after an injury to the blood vessel has damaged the endothelium lining the vessel.
Description : Which among the following helps in circulation of blood? (1) Arithrocyt us (2) Blood platelets (3) Monocytes (4) Lymphocytes
Last Answer : (4) Lymphocytes Explanation: Lymphocytes helps in the circulation of blood. A lymphocyte is a type of white blood cell in the vertebrate immune system. The lymphatic system is an open system ... blood plasma after it has been filtered from the blood cells and returned to the lymphatic system.
Description : Chemotactic factors are produced by EXCEPT: D A. Lymphocytes B. Monocytes C. Endothelial cells D. Collagen
Last Answer : Collagen
Description : Reactive oxygen metabolites are produced by all the following EXCEPT: B A. Macrophages B. Lymphocytes C. Monocytes D. None of these
Description : Chemotactic factors are produced by: C A. Lymphocytes B. Monocytes C. All of the above D. None of these
Last Answer : All of the above
Description : Tissue macrophages are derived from which one of the following? A. Resident activated fibroblasts B. Activated B lymphocytes C. Circulating monocytes D. Platelets
Last Answer : Platelets
Description : Antibodies are produced by (a) leucocytes (b) monocytes (c) lymphocytes (d) spleen.
Last Answer : (c) lymphocytes
Description : Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes
Last Answer : (d) lymphocytes.
Description : Which one of the following cell types is NOT derived from myeloid progenitors? a. Lymphocytes b. Monocytes c. Eosinophils d. Neutrophits
Last Answer : a. Lymphocytes
Description : Which of these components of the blood is responsible for clotting ? (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets
Description : Which among the following helps in circulation of blood ? (1) Arithrocytus (2) Blood platelets (3) Monocytes (4) Lymphocytes
Description : The cells which are responsible for the production of antibodies are – (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets
Last Answer : (3) lymphocytes Explanation: An antibody (Ab), also known as an immunoglobulin (Ig), is a large Y-shaped protein produced by B-cells that is used by the immune system to identify and ... called antigens usually on the outside of an invading organism. This is called the antigen-antibody reaction.
Description : Epithelioid cells within granulomas are derived from which of the following? B A. Plasma cells B. Macrophages C. Lymphocytes D. Neutrophils
Last Answer : Macrophages
Description : What is the histopathology of the pathogenesis of the plaque following 21 days of plaque accumulation: A. Primarily infiltrate of plasma cells B. Primarily infiltrate of lymphocytes C. Infiltrate of plasma cells and early bone involvement D. Infiltrate of neutrophils
Last Answer : C. Infiltrate of plasma cells and early bone involvement
Description : Suppuration is mainly the result of the combined action of four factors; which of the following is not one of these factors?CHECK A. Necrosis B. Presence of lymphocytes C. Collection of neutrophils D. Accumulation of tissue fluid E. Autolysis by proteolytic enzymes
Last Answer : B. Presence of lymphocytes
Description : The cells which are responsible for the production of antibodies are (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets
Last Answer : lymphocytes
Description : Virus that infect bacteria are called (a) Bacteriophages (b) Basophils (c) Basal body (d) Basidiospores
Last Answer : (a) Bacteriophages
Description : Human immunodeficiency virus destroys (A) Cytotoxic T cells (B) Helper T cells (C) B cells (D) Plasma cells
Description : Lysozyme that is present in perspiration, saliva and tears, destroys (a) certain types of bacteria (b) all viruses (c) most virus-infected cells (d) certain fungi.
Last Answer : (a) certain types of bacteria
Description : A computer virus is (1) a chemical that attacks silicon. (2) a micro-organism that destroys integrated circuits. (3) data that the computer fails to handle. (4) a special kind of computer programme.
Last Answer : a special kind of computer programme.
Description : Which one of the following statements is correct with respect to AIDS? (a) The HIV can be transmitted through eating food together with an infected person. (b) Drug addicts are least ... and nutrition. (d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Last Answer : (d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Description : HIV that causes AIDS, first starts destroying (a) helper T-lymphocytes (b) thrombocytes (c) B-lymphocytes (d) leucocytes.
Last Answer : (a) helper T-lymphocytes
Description : With regard to interferons: a. they are produced by B lymphocytes b. IFN-gamma is produced by cells infected with virus c. IFN-gamma increases MCH class I and II expression in antigen presenting cell d. IFN-gamma is produced by fibroblasts
Last Answer : IFN-gamma is produced by cells infected with virus
Description : The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents ... on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection
Last Answer : HLA class I antigens are expressed on all cells with nuclei
Description : Differentiate between Basophils and Eosinophils. -Biology
Last Answer : answer:
Description : Histamine is synthesised in (A) Brain (B) Mast cells (C) Basophils (D) All of these
Last Answer : Answer : D